Visually Sexing Cockatiels and Cockatoos

Most species of parrot are monomorphic meaning that sex can’t be determined by visual means.  Usually DNA testing is necessary to accurately tell if Polly is truly a she.  There are a few species, however, such as the beautiful eclectus, who are notably color dimorphic.  The female is red and blue, while the male is a vibrant green. But, this is not the norm in the parrot world.

The cockatiel is another species that can be visually sexed.  Using a standard cockatiel as the example is this comparison, the male standard shown here (Tinky, my first born) you will notice the ...

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